Fire-extinguisher.



PATBNTED SEPT. 24, 1907.,

P. ROEMER. FIRE EXTINGUISHER. APmPLIoATIoN PIL'BD 001219, 1905.

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Specication of Letters Patent.'

Patented sept. .24, 19o?.

Appunti@ and ocmw 19, mos. sessi no. 283,560.

To all 'whom it may concern; Be it known that I, FRIEDRICH ROEMER, of Remscheidt, a citizen of the German Empire, residing at Stuttgart, in the Kingdom of Wrtemberg, Germany, have invented certain new and useful Improvements in Fire-Extinguishers, of which the following is a description, 'reference being had to the accompanying drawing, and to the letters and figures of reference marked thereon.

In gas generating lire extinguishers hitherto known the generation of the gas pressure required to deliver a stream of water was produced by previously mixing the water stored in the receptacle with chemicals ,d suddenly emptying into this chemical mixturzl a quantity of acid stored in glass tubes until wanted.

The fire extinguisher which constitutes the present invention is distinguished from such prix: extinguishers in that its charge consists only of as.. easily handled c ylindrically shaped cartridge which is engr plied to the extinguisher in the desired number and no chemicals are mixed with the stored water. n

Since the time consuming operation of mixing the chemicals as well as the introduction of breakable glass tubes in complicated holding devices, etc., is entirely done away with, my improved extinguishers 4 are charged without trouble and delay upon the outbreak'of a fire, rapidly and asnoften as desired, simply by the introduction of the easily handled cartridges into the receptacles containing the water.

v The novel features of my invention reside in the rendering Vunnecessary of all chemicals, irl-concentrated form required for the generation of the gas, in the stored water, as well as in the'construction of an easily handled cylindrical chemical cartridge, which, divided into two compartments, contains in concentrated form all the chemicals required for the, generation of the gas. l

The invention is illustrated in the accompanying drawings, in which,-

Figure 1 isla. sectional elevation through a lire extinguisher, embodying my improvements. Fig. 2 is a sectional detail view oi one form of cartridge containing receptacles with-the cartridges therein. Fig. 3- is a similar view of another form.' Fig. 4 is ,a horizontal section through the form shown in Fig. 2. Fig. 5 is asimilar section through the form shown in Fig. 3.

The cartridge consists of a perforated metal shell f and comprises the chemical compartments aand b, a and b or a2 and b2.

To discharge the apparatus the compartments are either opened vby the`orcing downward of the hammer a, Fig., 1, as far as the downwardly directed outlets o o, Fig.' 1, ,or o o Fig. 2, by means of the pin m Fig. '1, or of the cones i t' Fig. 2, in` which latter case the compartments are completely destroyed, Fig. 2.

In order that the concentrated chemicals may be diluted with water before they come in contact with each other when the cartridges are' discharged there Iis arranged between the compartments a and b, a and b or a2. and b2, a separating wall k, so that the chemicals cannot mutually contact directly but only ina round-about Way through the water contained in the receptacle whereby they are diluted. The separate wall is made of lead or of similar material. With cartridges, which lare discharged, as in opening the outlets o o, the dilution of the concentrated chemicals is caused by the fact that the outlets are arranged as far as possible apart from each other and eccentrically to the center of the compart-v ments a and b/, so that thee existsan intermediate space x, Fig. 2, lilled with water. Since the concentrated chemicals must pass this intermediate space before they can mutually Contact they are, therefore, also diluted with Water.

The cover h is loosely placed in the shell f and is driven' down with the hammer d when the latter is driven down. g, Fig. 1, represents a yoke, 4which is secured to thereceptacle eFig. l, and., serves to receive the cartridges. Figs. 4 and 5 represent in cross section the cartridges of Figs. 1, 2 and 3.

Having thus described my invention what I claim and desire to secure by Letters Patent of the United States is- 1. A lire extinguisher comprising a water containing tank having a suitable nozzle, a cylindrical container carried in the upper part of said tank and having openings leading to the tank, a. partition dividing said tank into two compartments, hermetically closed cartridges. containing dilferent chemicals which when mixed together in the presence of water generate gas to expel the water, one of'saidcartridges being located in each compartment, whereby the said cartridges are separated by the partition, and means for opening the cartridges at their lower ends to permit the contents to be projected and commingled below 'the partition, substantially as described.

2. A re extinguisher comprising a water tankA having fa delivery'nozzle and a cylindrical cage or container having a perforated exterior Wall,. and an imperforzlte interior wall dividing the cage into two compartments, a hermetically closed cartridge located in each compartment, said cartridges containing different chemicals which when combined in the presence of water generate gas to expel the water, and 'means for opening the cartridges Fig- 2, by,

10 a cartridge fitting iii each compartment, and means for opening the cartridges at the lower ends to permit the discharge of material contained therein, substantially as described.

In testimony whereof 1 have hereunto axed my signature, inpresence ol two witnesses.

FRIDRICH ROEMER.

Witnesses WILHELM NARR, WM. HAHN. 

